Death, SuddenAutopsyDeath, Sudden, CardiacCause of DeathSudden Infant DeathCell DeathArrhythmias, CardiacCardiomyopathy, HypertrophicTachycardia, VentricularElectrocardiographyFatal OutcomeDeathVentricular FibrillationRisk FactorsLong QT SyndromeForensic PathologyDefibrillators, ImplantableSyncopeElectrocardiography, AmbulatoryTerminology as TopicFollow-Up StudiesCoronary Vessel AnomaliesRetrospective StudiesTime FactorsCardiomyopathiesAjmalineAnti-Arrhythmia AgentsProspective StudiesInfant, NewbornIncidenceArrhythmogenic Right Ventricular DysplasiaMyocardial InfarctionHeart Conduction SystemHeart ArrestNAV1.5 Voltage-Gated Sodium ChannelSportsSyndromePrognosisHeart FailureKCNQ1 Potassium ChannelFetal DeathBrugada SyndromeHeart DiseasesRisk AssessmentCardiomyopathy, DilatedTreatment OutcomeCardiac Complexes, PrematureBrain DeathBundle-Branch BlockHeart BlockAmiodaroneMyocardiumSurvival AnalysisAge FactorsTachycardiaEther-A-Go-Go Potassium ChannelsRiskCohort StudiesPredictive Value of TestsCoronary DiseaseHeart RateVentricular Premature ComplexesUnited StatesEchocardiographyMutationJapanAttitude to DeathPedigreePrevalenceSurvival RateKCNQ Potassium ChannelsCoroners and Medical ExaminersMandatory TestingAsphyxiaMyocardial IschemiaHeart VentriclesTymoviridaeTetralogy of FallotAthletesPotassium Channels, Voltage-GatedAdrenergic beta-AntagonistsThoracic InjuriesCardiac Pacing, ArtificialLown-Ganong-Levine SyndromePhenotypeAutonomic Nervous SystemHeartIsolated Noncompaction of the Ventricular MyocardiumVentricular DysfunctionStroke VolumeSensitivity and SpecificityNecrosisCardiomyopathy, RestrictiveMortalityElectric CountershockPregnancyParisAutonomic Nervous System DiseasesRegistriesProportional Hazards Models